EE (MVC5) - How to fix error The model backing the 'CompanyDBContext' context has changed since the database was created. Consider using Code First Migrations to update the database (http://go.microsoft.com/fwlink/?LinkId=238269).

Error: The model backing the 'CompanyDBContext' context has changed since the database was created. Consider using Code First Migrations to update the database (http://go.microsoft.com/fwlink/?LinkId=238269).

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- error displayed once updated my context class

to resolve add the following to your Global.asax.cs file
using System.Data.Entity;
using MVCCrud.Models;  // where MVCCrud is the name of my application

than in  protected void Application_Start()  add the following
  Database.SetInitializer<CompanyDBContext>(new DropCreateDatabaseIfModelChanges<CompanyDBContext>());













where CompanyDBContext is the name of my context method

MVC5 - Simple CRUD Example - Code First

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 All details - how to create this project are in the YouTube movie above.
You will need to create Customer class in Model folder with the following code

using System.Web;

using System.Data.Entity;

namespace MVCCrud.Models
{
    public class Customer
    {
        public int ID { get; set; }
        public string Name { get; set; }
    }

    public class CompanyDBContext : DbContext
    {
        public DbSet<Customer> Customers { get; set; }
    }
}

Also you will have to add the following code to web.config file

    <add name="CompanyDBContext"
         connectionString="Data Source=(LocalDB)\v11.0;
         AttachDbFilename=|DataDirectory|\CompanyDB.mdf;
         Integrated Security= True" providerName="System.Data.SqlClient" />
  </connectionStrings>

MVC5 - How to remove unused Usings

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Rigth click file - select Organize Usings - than select Remove Unused Usings

MVC5 - How to change page title

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Add the following code to cshtml file (inside Views folder)
@{
       ViewBag.Title = "this is my title";
}

this works because my layout page has the following code:
 <title>@ViewBag.Title - My ASP.NET Application</title>

MVC5 - How to change startup page

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In solution explorer under App_Start folder open RouteConfig file
modify the following code
defaults: new { controller = "Start", action = "StartWithMe", id = UrlParameter.Optional }
replace "Start" with the name of the View folder
replace StartWithMe with the name of the method in selected controller